Is there anything i can do after my lung reduction surgery to build up strength in my lungs?

Yes: The importance here lies in your ability to reexpand your lungs and you should be instructed on how to do incentive spirometry. These are easy exercises that involve blowing into a simple device, the end result is your lungs will improve much faster. It may be a bit uncomfortable at first, but its worth it.

Exercise: A lot of deep breathing exercises, a lot of walking, other aerobic exercise, depending on what you can tolerate ...